Sgmah Servomotors With Low-Backlash Gears - YASKAWA SGDH User Manual

3 Specifications and Dimensional Drawings

3.1.3 SGMAH Servomotors With Low-backlash Gears

Servomotor
Servomotor
Model
Rated
Out-
SGMAH-
Speed
put
W
min
04A AJ1
04A AJ3
400
04A AJC
04A AJ7
07D AJ1
07D AJ3
650 3000
07D AJC
07D AJ7
08A AJ1
08A AJ3
750
08A AJC
08A AJ7
* 1. Maximum motor speed is up to 4000 min
* 2. Gear output torque is expressed using the following equation.
(Gear output torque) = (servomotor output torque) ×
3.1.3
SGMAH Servomotors With Low-backlash Gears
• Time Rating: Continuous
• Vibration Class: 15 µm or below
• Insulation Resistance: 500 VDC, 10 MΩ min.
• Ambient Temperature: 0 to 40°C (32 to 104°F)
• Excitation: Permanent magnet
• Mounting: Flange method
• Gear Mechanism: Planetary gear mechanism
Rated
Torque Gear
N m Ratio
-1
(oz in)
1/5
3/31
(1487/80)
1.27
(179.8)
1/21
(3016/80)
1/33
(4744/80)
1/5
3/31
2.07
(293.1)
1/21
1/33
1/5
(1354/80)
3/31
(2804/80)
2.39
(338)
1/21
(5692/80)
1/33
(8935/80)
Gear Output
Rated
Instanta-
Torque/
neous
Rated
Effi-
Peak
Speed
∗2
Torque
ciency
min
N·m
N·m/%
(oz·in)
(oz·in/%)
5.08/80 17.2
(719/80) (2436)
10.5/80 35.5
(5027)
21.3/80 72.2
(10224)
33.5/80 113.0
(16001)
8.28/80
32.0
(4531)
(1173)
17.1/80
66.6
(9431)
(2422)
34.8/80
134
(18974)
(4928)
54.6/80
212
(30019)
(7732)
9.56/80 32
(4531)
19.8/80 66.6
(9431)
40.2/80 134
(18974)
63.1/80 213
(30019)
-1
at the shaft.
1
(
gear ratio
• Thermal Class: B
• Withstand Voltage:
100V, 200V Servomotors: 1500 VAC for one minute
400V Servomotors: 1800 VAC for one minute
• Enclosure: Totally enclosed, self-cooled, IP55 (except
for shaft opening)
• Ambient Humidity: 20% to 80% (no condensation)
• Drive Method: Direct drive
• Backlash: 3 min max.
• Gear Rotation Direction: Same direction as servomotor
3-8
Moment of Inertia J
(x 10
Max.
Motor +
∗1
Speed
Gears
-1
-1
min
0.366
600 800
(5.18)
0.353
290 387
(5.00)
0.403
143 190
(5.71)
0.338
91 121
(4.79)
1.12
600 800
(15.86)
1.10
290 387
(15.58)
1.15
143 190
(16.29)
0.972
91 121
(12.76)
1.12
600 800
(15.9)
1.10
290 387
(15.6)
1.15
143 190
(15.3)
0.972
91 121
(13.8)
) × (efficiency)
-4 2
×10
kg·m
-3 2
oz·in·s )
Gears
0.193
(2.73)
0.180
(2.55)
0.230
(3.26)
0.165
(2.34)
0.450
(6.37)
0.425
(6.02)
0.475
(6.73)
0.300
(4.25)
0.450
(6.37)
0.425
(6.02)
0.475
(6.73)
0.300
(4.25)